4. the hindenberg disaster, a total of 36 fatalities (changed public opinion on airships forever) as well as the competition with airplanes.
5. airships and blimps are both dirigibles. a blimp (technically a “pressure airship”) is a powered, steerable, lighter-than-air vehicle whose shape is maintained by the pressure of the gases within its envelope.
6. most blimps are used as advertising devices, you will see them overhead at games played in open-air sports stadiums.
Answer:
U-boats were used primarily to -gather information about enemy movements by tracking warships. -protect the German coast from attack by Allied ships and submarines.
Spanish flu spread rapidly in training camps in Georgia.
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Explanation:</u></h3>
In the late year 1918, several men started showing up in the infirmary with symptoms that indicated towards serious illness. After more and more men came in, days after it was shown the men were ailing from serious Spanish flu. By the time October started, the infirmary which had 5 to 7 people was now flooded with more than 150 people who suffered from the flu. This was the case of Camp Hancock. After a few days, news was received that people were showing up in the infirmary of Camp Gordon, having the same symptoms that were shown by people in Hancock.
On October 5, an estimated number of 3,000 or so people were quarantined at Camp Hancock. Till then, near by cities were already effected by the virus. The outbreak was serious and caused the death of about 50 soldiers. Above that, many men had contradicted pneumonia as well.
Maturation is a threat to internal validity stemming from either long-term or short-term physiological changes occurring within the participants that may influence the dependent variable.
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What are physiological changes?</h3>
Ageing causes physiological changes in all organ systems. Arteriosclerosis develops, blood pressure rises, and cardiac output declines. Lung function is compromised, vital capacity is reduced, and expiratory flow rates are slowed.
Pregnancy causes a number of physiological changes in the mother, such as an increase in fat and total body water, a drop in plasma protein concentrations, particularly albumin, an increase in blood volume, cardiac output, and blood flow to the kidneys, and a decrease in blood pressure.
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Answer: Take help of neutral third party for investigating for sexual harassment claims.
Explanation:
Sexual harassment claims and case at work place and organization occurs wen any mistreatment , offerings, task, etc is based on sexual terms .Employee can be treated of getting fired or adverse effect if they do not fulfill or cooperate such sexual favors in work environment, which is illegal act and punishable crime.
According to the question,for investigation of sexual harassment activity, manager should hire a neutral third party for investigation. Claim for asking sexual favors by treating demotion can get clarified in this way.